814263001 has 4 divisors (see below), whose sum is σ = 816831972. Its totient is φ = 811694032.

The previous prime is 814262983. The next prime is 814263011. The reversal of 814263001 is 100362418.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32501401 + 781761600 = 5701^2 + 27960^2 .

It is a cyclic number.

It is not a de Polignac number, because 814263001 - 2⁷ = 814262873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (814263011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1284010 + ... + 1284643.

It is an arithmetic number, because the mean of its divisors is an integer number (204207993).

Almost surely, 2^814263001 is an apocalyptic number.

It is an amenable number.

814263001 is a deficient number, since it is larger than the sum of its proper divisors (2568971).

814263001 is a wasteful number, since it uses less digits than its factorization.

814263001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568970.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 814263001 is about 28535.2939532783. The cubic root of 814263001 is about 933.8022166021.

The spelling of 814263001 in words is "eight hundred fourteen million, two hundred sixty-three thousand, one".